Trayodashi (त्रयोदशी) dates and timings in Adelaide for 1977
Verified astronomical start and end times for lunar day 13 in Adelaide, shown in Australia/Adelaide.
13 occurrences found. Each end time is exclusive: the next Tithi begins at that instant.
| # | Starts | Ends | Duration | Crosses midnight |
|---|---|---|---|---|
| 1 | 2 Jan 1977, 5:52 pm GMT+10:30 | 3 Jan 1977, 7:57 pm GMT+10:30 | 26 hr 5 min | Yes |
| 2 | 1 Feb 1977, 1:45 pm GMT+10:30 | 2 Feb 1977, 2:35 pm GMT+10:30 | 24 hr 50 min | Yes |
| 3 | 3 Mar 1977, 7:15 am GMT+10:30 | 4 Mar 1977, 6:40 am GMT+10:30 | 23 hr 25 min | Yes |
| 4 | 1 Apr 1977, 8:44 pm GMT+9:30 | 2 Apr 1977, 6:53 pm GMT+9:30 | 22 hr 9 min | Yes |
| 5 | 1 May 1977, 8:10 am GMT+9:30 | 2 May 1977, 5:23 am GMT+9:30 | 21 hr 13 min | Yes |
| 6 | 30 May 1977, 4:57 pm GMT+9:30 | 31 May 1977, 1:35 pm GMT+9:30 | 20 hr 38 min | Yes |
| 7 | 28 Jun 1977, 11:44 pm GMT+9:30 | 29 Jun 1977, 8:13 pm GMT+9:30 | 20 hr 29 min | Yes |
| 8 | 28 Jul 1977, 5:33 am GMT+9:30 | 29 Jul 1977, 2:23 am GMT+9:30 | 20 hr 49 min | Yes |
| 9 | 26 Aug 1977, 11:42 am GMT+9:30 | 27 Aug 1977, 9:22 am GMT+9:30 | 21 hr 40 min | Yes |
| 10 | 24 Sept 1977, 7:36 pm GMT+9:30 | 25 Sept 1977, 6:33 pm GMT+9:30 | 22 hr 57 min | Yes |
| 11 | 24 Oct 1977, 6:30 am GMT+9:30 | 25 Oct 1977, 6:55 am GMT+9:30 | 24 hr 26 min | Yes |
| 12 | 22 Nov 1977, 10:00 pm GMT+10:30 | 23 Nov 1977, 11:44 pm GMT+10:30 | 25 hr 43 min | Yes |
| 13 | 22 Dec 1977, 3:46 pm GMT+10:30 | 23 Dec 1977, 6:14 pm GMT+10:30 | 26 hr 28 min | Yes |
How these timings are calculated
BDA calculates the geocentric angular separation of the Moon and Sun and divides the full cycle into 30 equal 12-degree Tithi sectors. UTC boundaries are converted to the timezone resolved from the listed city coordinates.
Scope: These are astronomical Tithi spans only. This page does not choose a festival, Vrat, Parana, or Muhurta date. Those decisions require their separately certified sunrise-prevalence and observance rules.
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